diff options
Diffstat (limited to 'src/libmsc/iucs_ranap.c')
-rw-r--r-- | src/libmsc/iucs_ranap.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/src/libmsc/iucs_ranap.c b/src/libmsc/iucs_ranap.c deleted file mode 100644 index 1e4207aec..000000000 --- a/src/libmsc/iucs_ranap.c +++ /dev/null @@ -1,137 +0,0 @@ -/* Implementation of RANAP messages to/from an MSC via an Iu-CS interface. - * This keeps direct RANAP dependencies out of libmsc. */ - -/* (C) 2016 by sysmocom s.m.f.c. GmbH <info@sysmocom.de> - * - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - -#include "../../bscconfig.h" - -#ifdef BUILD_IU - -#include <osmocom/core/logging.h> - -#include <osmocom/ranap/ranap_ies_defs.h> -#include <osmocom/ranap/iu_client.h> -#include <osmocom/ranap/RANAP_IuTransportAssociation.h> -#include <osmocom/ranap/iu_helpers.h> - -#include <osmocom/msc/debug.h> -#include <osmocom/msc/gsm_data.h> -#include <osmocom/msc/gsm_subscriber.h> -#include <osmocom/msc/iucs.h> -#include <osmocom/msc/vlr.h> -#include <osmocom/msc/iucs_ranap.h> -#include <osmocom/msc/msc_mgcp.h> - -#include <asn1c/asn1helpers.h> - -/* To continue authorization after a Security Mode Complete */ -int gsm0408_authorize(struct ran_conn *conn); - -static int iucs_rx_rab_assign(struct ran_conn *conn, RANAP_RAB_SetupOrModifiedItemIEs_t * setup_ies) -{ - uint8_t rab_id; - RANAP_RAB_SetupOrModifiedItem_t *item = &setup_ies->raB_SetupOrModifiedItem; - RANAP_TransportLayerAddress_t *transp_layer_addr; - RANAP_IuTransportAssociation_t *transp_assoc; - uint16_t port = 0; - int rc; - char addr[INET_ADDRSTRLEN]; - - rab_id = item->rAB_ID.buf[0]; - - LOGP(DIUCS, LOGL_NOTICE, - "Received RAB assignment event for %s rab_id=%hhd\n", vlr_subscr_name(conn->vsub), rab_id); - - if (item->iuTransportAssociation && item->transportLayerAddress) { - transp_layer_addr = item->transportLayerAddress; - transp_assoc = item->iuTransportAssociation; - - rc = ranap_transp_assoc_decode(&port, transp_assoc); - if (rc != 0) { - LOGP(DIUCS, LOGL_ERROR, - "Unable to decode RTP port in RAB assignment (%s rab_id=%hhd)\n", - vlr_subscr_name(conn->vsub), rab_id); - return 0; - } - - rc = ranap_transp_layer_addr_decode(addr, sizeof(addr), transp_layer_addr); - if (rc != 0) { - LOGP(DIUCS, LOGL_ERROR, - "Unable to decode IP-Address in RAB assignment (%s rab_id=%hhd)\n", - vlr_subscr_name(conn->vsub), rab_id); - return 0; - } - - return msc_mgcp_ass_complete(conn, port, addr); - } - - LOGP(DIUCS, LOGL_ERROR, - "RAB assignment lacks RTP connection information. (%s rab_id=%hhd)\n", - vlr_subscr_name(conn->vsub), rab_id); - return 0; -} - -int iucs_rx_sec_mode_compl(struct ran_conn *conn, - RANAP_SecurityModeCompleteIEs_t *ies) -{ - OSMO_ASSERT(conn->via_ran == OSMO_RAT_UTRAN_IU); - - /* TODO evalute ies */ - - ran_conn_rx_sec_mode_compl(conn); - return 0; -} - -int iucs_rx_ranap_event(struct gsm_network *network, - struct ranap_ue_conn_ctx *ue_ctx, int type, void *data) -{ - struct ran_conn *conn; - - conn = ran_conn_lookup_iu(network, ue_ctx); - - if (!conn) { - LOGP(DRANAP, LOGL_ERROR, "Cannot find subscriber for IU event %u\n", type); - return -1; - } - - switch (type) { - case RANAP_IU_EVENT_IU_RELEASE: - case RANAP_IU_EVENT_LINK_INVALIDATED: - LOGP(DIUCS, LOGL_INFO, "IuCS release for %s\n", - vlr_subscr_name(conn->vsub)); - ran_conn_rx_iu_release_complete(conn); - return 0; - - case RANAP_IU_EVENT_SECURITY_MODE_COMPLETE: - LOGP(DIUCS, LOGL_INFO, "IuCS security mode complete for %s\n", - vlr_subscr_name(conn->vsub)); - return iucs_rx_sec_mode_compl(conn, - (RANAP_SecurityModeCompleteIEs_t*)data); - case RANAP_IU_EVENT_RAB_ASSIGN: - return iucs_rx_rab_assign(conn, - (RANAP_RAB_SetupOrModifiedItemIEs_t*)data); - default: - LOGP(DIUCS, LOGL_NOTICE, "Unknown message received:" - " RANAP event: %i\n", type); - return -1; - } -} - -#endif /* BUILD_IU */ |